12. Write one equation each for decomposition reactions where energy is supplied in
the form of heat, light or electricity.
13. What is the difference between displacement and double displacement reactions ? Write equations for these reactions.
14.In the refining of silver, the recovery of silver from silver nitrate solution involved
displacement by copper metal. Write down the reaction involved.
15. What do you mean by a precipitation reaction? Explain by giving examples.
16. Explain the following in terms of gain or loss of oxygen with two examples each.
(a) Oxidation
(b) Reduction
the form of heat, light or electricity.
13. What is the difference between displacement and double displacement reactions ? Write equations for these reactions.
14.In the refining of silver, the recovery of silver from silver nitrate solution involved
displacement by copper metal. Write down the reaction involved.
15. What do you mean by a precipitation reaction? Explain by giving examples.
16. Explain the following in terms of gain or loss of oxygen with two examples each.
(a) Oxidation
(b) Reduction
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Answer:
answer 16) @) in oxidation there is gain of oxygen nd loss of hydrogen
b) in Reduction is loss of oxygen and gain of hydrogen.
answer 15) precipitation reaction refers to the formation of an insoluble salt when two solutions containing soluble salts are combined. The insoluble salt that falls out of solution is known as the precipitate, hence the reaction's name.
One of the best examples of precipitation reactions is the chemical reaction between potassium chloride and silver nitrate, in which solid silver chloride is precipitated out. ... In the above reaction, a white precipitate called silver chloride or AgCl is formed which is in the solid-state.
answer 13) In a displacement reaction, a more reactive element replaces a less reactive element from a compound. In a double displacement reaction, two atoms or a group of atoms switch places to form new compounds.
Explanation:
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Answer:
answer 16) @) in oxidation there is gain of oxygen nd loss of hydrogen
b) in Reduction is loss of oxygen and gain of hydrogen.
answer 15) precipitation reaction refers to the formation of an insoluble salt when two solutions containing soluble salts are combined. The insoluble salt that falls out of solution is known as the precipitate, hence the reaction's name.
One of the best examples of precipitation reactions is the chemical reaction between potassium chloride and silver nitrate, in which solid silver chloride is precipitated out. ... In the above reaction, a white precipitate called silver chloride or AgCl is formed which is in the solid-state.
answer 13) In a displacement reaction, a more reactive element replaces a less reactive element from a compound. In a double displacement reaction, two atoms or a group of atoms switch places to form new compounds
Explanation: